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245028 (2004 EM17)
Classification: Main-belt Asteroid          SPK-ID: 2245028
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2716250266983152 4.142e-08  
a 3.147528159687157 3.611e-08 au
q 2.292580739278435 1.2805e-07 au
i 18.57630131101113 7.491e-06 deg
node 31.63369146230336 1.9968e-05 deg
peri 225.8590892714332 2.4942e-05 deg
M 280.5299293325026 1.6794e-05 deg
tp 2459450.750249029365
(2021-Aug-24.25024903)
9.776e-05 TDB
period 2039.636913483519
5.58
3.5099e-05
9.61e-08
d
yr
n .17650200269476 3.0374e-09 deg/d
Q 4.00247558009588 4.5918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      5820 days (15.93 yr)  
   first obs. used      2004-02-27  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:38:45  

Additional Information
 Earth MOID = 1.31813 au 
 Jupiter MOID = 1.26807 au 
 T_jup = 3.072 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO433604  
diameter diameter 6.265 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245028 (2004 EM17)          Discovered 2004-Mar-12 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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